Upgrade 25/09/13

[Arbash]

1. New service “Present BG" has been introduced to the game play. Now everyone can credit his/her friend's account after choosing preferred BG amount and payment system.
2. Only players with Suzerain rank can hire Whisperer hero.
3. From now on, the information on players who left the game won't be deleted from the Tournament Rating table.
4. Bugs rectified.